# M42 Universal Screw Mount

One 42mm thread, three industrial worlds: Japan's Takumars, the Soviet factories, and East German Zeiss and Meyer glass all speak it. The most adapted vintage mount there is.

| Lens | Focal | Aperture | Production |
|---|---|---|---|
| Super-Takumar 50mm f/1.4 (8-element) (Asahi Pentax) | 50mm | f/1.4 | c. 1964-1965 |
| Super-Takumar 50mm f/1.4 (7-element) (Asahi Pentax) | 50mm | f/1.4 | c. 1965-1971 |
| Super-Multi-Coated Takumar 50mm f/1.4 (Asahi Pentax) | 50mm | f/1.4 | c. 1971-1975 |
| Super-Takumar 55mm f/1.8 (Asahi Pentax) | 55mm | f/1.8 | c. 1962-1971 |
| Super-Takumar 35mm f/3.5 (Asahi Pentax) | 35mm | f/3.5 | c. 1962-1971 |
| Super-Takumar 28mm f/3.5 (Asahi Pentax) | 28mm | f/3.5 | c. 1962-1971 |
| Super-Multi-Coated Takumar 85mm f/1.8 (Asahi Pentax) | 85mm | f/1.8 | c. 1971-1975 |
| Super-Takumar 135mm f/3.5 (Asahi Pentax) | 135mm | f/3.5 | c. 1963-1971 |
| Super-Macro-Takumar 50mm f/4 (Asahi Pentax) | 50mm | f/4 | c. 1964-1971 |
| Helios 44-2 58mm f/2 (KMZ / Valdai / Jupiter (USSR)) | 58mm | f/2 | c. 1967-1992 |
| Jupiter-9 85mm f/2 (LZOS / KMZ (USSR)) | 85mm | f/2 | c. 1959-1990s |
| Mir-1B 37mm f/2.8 (Vologda (USSR)) | 37mm | f/2.8 | c. 1970s-1990s |
| Industar 50-2 50mm f/3.5 (KMZ (USSR)) | 50mm | f/3.5 | c. 1968-1990s |
| Pancolar 50mm f/1.8 (Carl Zeiss Jena (DDR)) | 50mm | f/1.8 | c. 1965-1990 |
| Flektogon 35mm f/2.4 MC (Carl Zeiss Jena (DDR)) | 35mm | f/2.4 | c. 1975-1990 |
| Trioplan 100mm f/2.8 (Meyer-Optik Goerlitz (DDR)) | 100mm | f/2.8 | c. 1955-1970s |

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Source: ShutterFile (https://shutterfile.com/m42/). Production dates are catalog-era approximations (c. = circa); independent reference, not affiliated with any manufacturer.